中国当代医药
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中国当代医药  2020, Vol. 27 Issue (4): 234-236    DOI:
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Application effect of free posture in natural delivery
WANG Yu-mei              LAN Cai-xuan                HUANG Xiao-yan
Delivery Room,Heyuan Maternal and Child Health Hospital,Guangdong Province,Heyuan 517000,China
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